import sys
import warnings
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import seaborn as sns

np.random.seed(42)
warnings.filterwarnings('ignore')
plt.rcParams['font.sans-serif'] = ['Microsoft YaHei']  # 用黑体显示中文
plt.rcParams['axes.unicode_minus'] = False  # 正常显示负号

__all__ = ['np', 'pd', 'plt', 'sns']

print('Python %s on %s' % (sys.version, sys.platform))
